Adaptive-weighted high order TV algorithm for sparse-view CT reconstruction.

Yarui Xi,Pengwu Zhou,Haijun Yu,Tao Zhang,Lingli Zhang,Zhiwei Qiao,Fenglin Liu

Medical physics（2023）

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摘要

The proposed awHOTV method can reconstruct the images with high accuracy under sparse or noisy data. The awHOTV solves the strip artifacts caused by sparse data in the FBP method. Compared with the TV method, the awHOTV can effectively suppress block artifacts and has good detail protection ability.

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关键词

Chambolle-Pock algorithm,adaptive-weighted high order total variation,compressed sensing,image reconstruction,iterative algorithm

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